zarzet 57cb575483 feat: add extension system with skipBuiltInFallback support ...

- Add extension manager, manifest, runtime, providers, settings
- Add extension provider and UI pages (extensions, detail, priority)
- Add download service picker widget
- Add metadata provider priority page
- Add source field to Track model for extension tracking
- Add skipBuiltInFallback manifest option to skip built-in providers
- Update download queue to use source extension first
- Add extension upgrade support without data loss

2026-01-12 00:17:52 +07:00

..

app_info.dart

feat: add extension system with skipBuiltInFallback support

2026-01-12 00:17:52 +07:00